Home / 185,532.21-256,035.20-100,649.88

Finding the Fourth Proportional to 185,532.21, 256,035.20 and 100,649.88

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Solution

The fourth proportional to 185,532.21, 256,035.20 and 100,649.88 is: 138,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,532.21 : 256,035.20 = 100,649.88 : x
  2. Step 2: Convert to fraction form
    185,532.21/256,035.20 = 100,649.88/x
  3. Step 3: Cross multiply
    185,532.21x = 256,035.20 × 100,649.88
  4. Step 4: Simplify right side
    185,532.21x = 25,769,911,652.53
  5. Step 5: Solve for x
    x = 25,769,911,652.53/185,532.21
  6. Step 6: Final answer
    x = 138,897.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.